SciCalc (Java) - This is a "Must-Have" -tool for students, professionals and others who need to make calculations in everyday life.
This graphical scientific calculator is easy to use and calculates full equations in easily readable way like it is done in most of today's advanced graphical calculators
Solution (Java) - Solution is a comprehensive program for applying mathematics. You can use Solution to make different mathematical operations and analyze the results.
Solution contains lots of math procedures, such as complex computations, matrix operations, function analysis, plotting etc. Also there is an opportunity of creating custom functions
TVH-72g Graphing Calculator - TVH-72g Graphing Calculator is a low-cost introductory & disposable graphing calculator for the educational use of schools and students who may have difficulty, are unable or may not wish to acquire a stand-alone feature-laden graphing calculator
Jasymca - Jasymca is a symbolic calculator. It solves and manipulates equations, handles basic calculus problems, and provides a few more typical functions of computer algebra systems. The syntax is loosely related to GNU-Maxima. While it is fun to play with mobile devices, it teaches the use of computer algebra systems, and may even be used to solve some real world problems
EasyCalcFree - A very simple calculator. Enter a list of up to 10 numbers, add labels.
Comes with hyper-intelligence: You can write *, x, /, div, divide, subtract, plus, minus, times, takeaway, or pls, tms, add...you will still get the same result
HorsePower is J2ME scientific calculator optimised for use on mobile phones, with the appearance of the classic range of Hewlett Packard calculators (MIDP 1.0 and CLDC 1.0)
NumBasis is a basis tool converter for integer numbers written in any of the main numeration systems (decimal,binary,octal,hexadecimal).It supports large number formats(5-digits hexa,7-digits dec) and fast calculation
This calculator for java mobile phones can calculate binary, octal, decimal, hex numbers and convert it to each other. It supports logical expressions, parenthesisses, memory and 64bit integer arrithmetics. Operator precedence as in C++, C#, C, Java